tenulin

noun

ten·​u·​lin

ˈtenyələ̇n

plural -s

: a crystalline sesquiterpenoid lactone C₁₇H₂₂O₅ obtained from plants of the genus Helenium (as H. tenuifolium)

Word History

Etymology

New Latin tenuifolium (specific epithet of Helenium tenuifolium) (from Latin tenuis thin + folium leaf) + -lin (as in helenalin)

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